
.marginBtt{
    margin-bottom: 14vw;
}

.navbarBtt{
    width: 100vw;
    height: 14vw;
    background-color: #fff;
    display: flex;
    justify-content: space-around;
    align-items: center;

    position: fixed;
    bottom: 0;

    box-shadow: 0 0 1vh #aaa;
}
.navbarBtt a{
    text-align: center;
    text-decoration: none;
    font-size: 3vw;
    color: #737373; 
}
.midh{
    width: 6vw;
    height: 6vw;
    background-image: url(../images/spr1.png);
    background-size: 100% 800%;
    background-repeat: no-repeat;
}
.index{
    background-position: 0 100%;
}
.category{
    background-position: 0 14.5%;
}
.cart{
    background-position: 0 42.5%;
}
.user{
    background-position: 0 71.5%;
}